Alcohol sensor



FIG. 1 is a front perspective view of the alcohol sensor showing the new design;

FIG. 2 is a front view of the alcohol sensor;

FIG. 3 is a rear view of the alcohol sensor;

FIG. 4 is a side view of the alcohol sensor;

FIG. 5 is another side view of the alcohol sensor;

FIG. 6 is a top view of the alcohol sensor; and,

FIG. 7 is a bottom view of the alcohol sensor. 

The ornamental design for an alcohol sensor, as shown and described. 